When you know this secret with Nice Hypnotherapy School, you don't actually need to approach people. They'll be compelled to approach you, not realizing that you're actually controlling the situation.
Don't make this mistake! If you want to use the power of "Matching and Mirroring" you must know about this or you'll run the risk of being hated and rejected. This is where many so called 'NLP experts' screw up.